/// <summary>
/// We delegate the writing of the fragment to the appropriate type.
/// </summary>
/// <param name="writer"></param>
/// <param name="sqlGenerator"></param>
public void WriteSql(SqlWriter writer, SqlGenerator sqlGenerator)
{
if (null != _sqlFragments)
{
foreach (object o in _sqlFragments)
{
string str = (o as String);
if (null != str)
{
writer.Write(str);
}
else
{
ISqlFragment sqlFragment = (o as ISqlFragment);
if (null != sqlFragment)
{
sqlFragment.WriteSql(writer, sqlGenerator);
}
else if (o is char)
{
writer.Write((char)o);
}
else
{
throw new InvalidOperationException();
}
}
}
}
}
public static string WriteSql(ISqlFragment sqlStatement, SqlVisitor visitor)
{
var builder = new StringBuilder(1024);
using (var writer = new SqlWriter(builder)) {
sqlStatement.WriteSql(writer, visitor);
}
return(builder.ToString());
}
public static string GetString(this ISqlFragment fragment, SqlGenerator sqlGenerator)
{
using (var writer = new SqlWriter())
{
if (fragment != null)
{
fragment.WriteSql(writer, sqlGenerator);
}
return(writer.ToString());
}
}
protected void WriteIntervalPart(SqlWriter writer, SqlGenerator sqlGenerator, ISqlFragment intervalPart)
{
if (intervalPart != null)
{
writer.Write("varchar(abs(");
intervalPart.WriteSql(writer, sqlGenerator);
writer.Write("))");
}
else
{
writer.Write("'0'");
}
}
public virtual void WriteSql(SqlWriter writer, SqlGenerator sqlGenerator)
{
if (this._sqlFragments == null)
{
return;
}
foreach (object sqlFragment1 in this._sqlFragments)
{
string str = sqlFragment1 as string;
if (str != null)
{
writer.Write(str);
}
else
{
ISqlFragment sqlFragment2 = sqlFragment1 as ISqlFragment;
if (sqlFragment2 == null)
{
throw new InvalidOperationException();
}
sqlFragment2.WriteSql(writer, sqlGenerator);
}
}
}
